unit 1: PROBLEMS c1.a reaction has the stoichiometric equation a+B=2R. What is the order of reaction? c2. A reaction with stoichiometric equation a+b=r+is has the following rate expression ra=2CAC What is the rate expression for this reaction if the stoichiometric equation is written as a+2B =2R+S?UNIT 1: PROBLEMS 1 . A reaction has the stoichiometric equation A+B=2R. What is the order of reaction? 2. A reaction with stoichiometric equation has the following rate expression What is the rate expression for this reaction if the stoichiometric equation is written as A+2B=2R+S? A B R S2 1 2 1 + = + A CA CB r 0.5 = 2